132731115 has 32 divisors (see below), whose sum is σ = 239673600. Its totient is φ = 62133120.

The previous prime is 132731111. The next prime is 132731117. The reversal of 132731115 is 511137231.

It is a happy number.

It is not a de Polignac number, because 132731115 - 2² = 132731111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132731111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9085 + ... + 18654.

It is an arithmetic number, because the mean of its divisors is an integer number (7489800).

Almost surely, 2^132731115 is an apocalyptic number.

132731115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

132731115 is a deficient number, since it is larger than the sum of its proper divisors (106942485).

132731115 is a wasteful number, since it uses less digits than its factorization.

132731115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27787.

The product of its digits is 630, while the sum is 24.

The square root of 132731115 is about 11520.8990534593. The cubic root of 132731115 is about 510.1026513864.

Adding to 132731115 its reverse (511137231), we get a palindrome (643868346).

The spelling of 132731115 in words is "one hundred thirty-two million, seven hundred thirty-one thousand, one hundred fifteen".